| Acronym | Meaning |
| OC | Oxygen Consumed |
| FCCSET | Federal Coordinating Council On Science |
| VOIE | Valence Orbital Ionization Energy |
| FAR | Federal Acquisitions Regulations |
| FOGO | Floating Orbital Geometry Optimization |
| ECCES | Environmental Calculations Of Consequences From Energy Systems (model) |
| EPIC | Erosion-productivity Impact Calculator |
| SCF | Self-consistent Field |
| GOR | Gas/oil Ratio |
| GIAO | Gage Invariant Atomic Orbital |